Keyboard Pants

This is one of the goofier ideas I've seen. However, even goofball ideas have their genesis somewhere, and I think that Murray Leinster was as early as anyone with the idea of clothing with embedded electronics.

In his 1945 classic First Contact, he writes about a sleeve communicator:

He pressed the button in his sleeve communicator and snapped:

"Action stations! Man all weapons! Condition of extreme alert in all departments immediately!"
(Read more about Leinster's sleeve communicator)